third_party/WebKit/LayoutTests/media/avtrack/video-track-selected.html

   1 <!doctype html>
   2 <html>
   3     <head>
   4         <title>VideoTrack.selected change</title>
   5         <script src="../../resources/testharness.js"></script>
   6         <script src="../../resources/testharnessreport.js"></script>
   7         <script src="../media-file.js"></script>
   8     </head>
   9     <body>
  10         <div id="log"></div>
  11         <script>
  12             async_test(function(t)
  13             {
  14                 var e = document.createElement("video");
  15                 e.src = findMediaFile("video", "../content/test");
  16
  17                 e.onloadedmetadata = t.step_func(function()
  18                 {
  19                     assert_equals(e.videoTracks.length, 1, "videoTracks.length");
  20                     assert_equals(e.videoTracks.selectedIndex, 0, "videoTracks.selectedIndex (initial)");
  21                     assert_true(e.videoTracks[0].selected, "videoTrack.selected (initial)");
  22                     e.videoTracks[0].selected = false;
  23                     assert_equals(e.videoTracks.selectedIndex, -1, "videoTracks.selectedIndex (first setter)");
  24                     assert_false(e.videoTracks[0].selected, "videoTrack.selected (first setter)");
  25
  26                     e.videoTracks.onchange = t.unreached_func("setting selected to false fired change event");
  27                     setTimeout(t.step_func(function()
  28                     {
  29                         e.videoTracks[0].selected = true;
  30                         assert_equals(e.videoTracks.selectedIndex, 0, "videoTracks.selectedIndex (second setter)");
  31                         assert_true(e.videoTracks[0].selected, "videoTrack.selected (second setter)");
  32
  33                         e.videoTracks.onchange = t.step_func(function()
  34                         {
  35                             assert_equals(e.videoTracks.selectedIndex, 0, "videoTracks.selectedIndex (change event)");
  36                             assert_true(e.videoTracks[0].selected, "videoTrack.selected (change event)");
  37                             t.done();
  38                         });
  39                     }), 0);
  40                 });
  41             }, "VideoTrackList track change");
  42         </script>
  43     </body>
  44 </html>